Initial Commit

database/php/pear/examples/debugging.php

@@ -0,0 +1,50 @@
+<?PHP
+/**
+ * example that shows how to cancel an event
+ *
+ * @package    Event_Dispatcher
+ * @subpackage Examples
+ * @author     Stephan Schmidt <schst@php.net>
+ */
+
+/**
+ * load Event_Dispatcher package
+ */
+require_once 'Event/Dispatcher.php';
+
+/**
+ * example observers
+ */
+function receiver1(&$notification)
+{
+    echo "receiver 1 received notification<br />\n";
+}
+
+function receiver2(&$notification)
+{
+    echo "receiver 2 received notification<br />\n";
+}
+
+$dispatcher = &Event_Dispatcher::getInstance();
+$dispatcher->addObserver('receiver1', 'onFoo', 'TestClass');
+$dispatcher->addObserver('receiver2', 'onFoo', 'AnotherTestClass');
+$dispatcher->addObserver('receiver2', 'onBar');
+
+// Test, whether an observer has been registered
+$registered = $dispatcher->observerRegistered('receiver1', 'onFoo');
+if ($registered === true) {
+	echo "Observer successfully registered";
+}
+
+$observers = $dispatcher->getObservers('onFoo');
+echo '<pre>';
+print_r($observers);
+echo '</pre>';
+
+// Filter using a class name
+$observers = $dispatcher->getObservers('onFoo', 'TestClass');
+echo '<pre>';
+print_r($observers);
+echo '</pre>';
+
+?>